PIC16F874A-I/ML Microchip Technology, PIC16F874A-I/ML Datasheet - Page 45
PIC16F874A-I/ML
Manufacturer Part Number
PIC16F874A-I/ML
Description
IC MCU FLASH 4KX14 A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F873A-ISO.pdf
(234 pages)
5.PIC16F873A-ISO.pdf
(6 pages)
6.PIC16F873A-ISO.pdf
(4 pages)
7.PIC16F873A-ISO.pdf
(6 pages)
8.PIC16F873A-ISO.pdf
(4 pages)
9.PIC16F873A-ISO.pdf
(22 pages)
Specifications of PIC16F874A-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
For Use With
XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873A-ISO PDF datasheet #4
- PIC16F873A-ISO PDF datasheet #5
- PIC16F873A-ISO PDF datasheet #6
- PIC16F873A-ISO PDF datasheet #7
- PIC16F873A-ISO PDF datasheet #8
- PIC16F873A-ISO PDF datasheet #9
- Current page: 45 of 234
- Download datasheet (5Mb)
TABLE 4-1:
TABLE 4-2:
2003 Microchip Technology Inc.
05h
85h
9Ch
9Dh
9Fh
Legend:
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI/C1OUT
RA5/AN4/SS/C2OUT
Legend: TTL = TTL input, ST = Schmitt Trigger input
Address
Note:
Name
PORTA
TRISA
CMCON
CVRCON
ADCON1
x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
When using the SSP module in SPI Slave mode and SS enabled, the A/D converter must be set to one of
the following modes, where PCFG3:PCFG0 = 0100, 0101, 011x, 1101, 1110, 1111.
Name
REF
REF
-/CV
+
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
REF
C2OUT
CVREN CVROE
ADFM
Bit 7
—
—
Bit#
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
C1OUT
ADCS2
Bit 6
—
—
Buffer
TTL
TTL
TTL
TTL
TTL
ST
PORTA Data Direction Register
C2INV
CVRR
Bit 5
RA5
—
Input/output or analog input.
Input/output or analog input.
Input/output or analog input or V
Input/output or analog input or V
Input/output or external clock input for Timer0 or comparator output.
Output is open-drain type.
Input/output or analog input or slave select input for synchronous serial
port or comparator output.
C1INV
Bit 4
RA4
—
—
PCFG3
CVR3
Bit 3
RA3
CIS
PCFG2
CVR2
Bit 2
CM2
RA2
PCFG1
Function
CVR1
REF
REF
Bit 1
CM1
RA1
- or CV
+.
PCFG0 00-- 0000
PIC16F87XA
CVR0
Bit 0
CM0
RA0
REF
.
--0x 0000
--11 1111
0000 0111
000- 0000
POR, BOR
Value on:
DS39582B-page 43
--0u 0000
--11 1111
0000 0111
000- 0000
00-- 0000
Value on
all other
Resets
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